a room, set of rooms, or building used as a place for commercial, professional, or bureaucratic work.
computers first appeared in offices in the late 1970s
a position of authority, trust, or service, typically one of a public nature.
the office of attorney general
a service or kindness done for another person or group of people.
the series of services of prayers and psalms said (or chanted) daily by Roman Catholic priests, members of religious orders, and other clergy.
The Divine Office has always been faithfully kept by lay people - not just clergy, monks and nuns-for centuries.